<template>
    <div class="xtx-dialog" :class="{ fade }" v-show="visible">
        <div class="wrapper" :class="{ fade }">
            <div class="header">
                <h3>{{ title }}</h3>
                <a href="JavaScript:;" @click="closeIcon"  class="iconfont icon-close-new"></a>
            </div>
            <div class="body">
                <slot />
            </div>
            <div class="footer">
                <slot name="footer" />
            </div>
        </div>
    </div>
</template>
<script>
import { ref, watch } from 'vue'
export default {
    name: 'XtxDialog',
    props: {
        title: {
            type: String,
            default: ''
        },
        visible: {
            type: Boolean,
            default: false
        }
    },
    setup(props, { emit }) {
        const fade = ref(true)
        // 改造动画执行时机
        watch(() => props.visible, () => {
            setTimeout(() => {
                fade.value = props.visible
            }, 0)
        }, { immediate: true })
        // 关闭的时候通知父组件
        const close = () => {
            emit('update:visible', false)
        }
        //叉叉关闭弹出层
        const closeIcon = () =>{
            emit('close')
        }

        return { fade, close,closeIcon }
    }
}
</script>
<style scoped lang="less">
.xtx-dialog {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    z-index: 8887;
    background: rgba(0, 0, 0, 0);

    &.fade {
        transition: all 0.4s;
        background: rgba(0, 0, 0, .5);
    }

    .wrapper {
        width: 740px;
        background: #fff;
        border-radius: 4px;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -60%);
        opacity: 0;

        &.fade {
            transition: all 0.4s;
            transform: translate(-50%, -50%);
            opacity: 1;
        }

        .body {
            padding: 20px 40px;
            font-size: 16px;
            // height: 600px;
            overflow: auto;

            .icon-warning {
                color: @priceColor;
                margin-right: 3px;
                font-size: 16px;
            }
        }

        .footer {
            text-align: center;
            padding: 10px 0 30px 0;
        }

        .header {
            position: relative;
            height: 70px;
            line-height: 70px;
            padding: 0 20px;
            border-bottom: 1px solid #f5f5f5;

            h3 {
                font-weight: normal;
                font-size: 18px;
            }

            a {
                position: absolute;
                right: 25px;
                top: 25px;
                font-size: 24px;
                width: 20px;
                height: 20px;
                line-height: 20px;
                text-align: center;
                color: #999;

                &:hover {
                    color: #666;
                }
            }
        }
    }
}
</style>